CoReCo Technologies SDE Interview Questions, Process, and Tips

Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.

• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.

• Hoisting can lead to unexpected behavior if not understood properly.

A callback function is a function that is passed as an argument to another function and is executed after a specific event occurs.

• Used in asynchronous programming to handle responses or events

• Allows for more flexible and modular code

• Commonly used in JavaScript for event handling, AJAX requests, and timers

Babel is a JavaScript compiler that converts modern ECMAScript code into backwards-compatible versions.

• Babel allows developers to write code using the latest JavaScript features without worrying about browser compatibility.

• It uses plugins to transform code, such as converting arrow functions to regular functions or adding polyfills for missing features.

• Babel can be configured to target specific browsers or environments...read more

CORS (Cross-Origin Resource Sharing) policy is a security feature implemented by browsers to restrict resources from being requested from a different domain.

• CORS policy is used to prevent malicious websites from making unauthorized requests to a different domain.

• To set CORS policy, the server needs to include specific HTTP headers in the response.

• Common CORS headers include Access-Control-Allow-Origin, Access-Control-A...read more

Seeking new challenges and opportunities for growth

• Looking for a new challenge to further develop my skills

• Interested in exploring different technologies and industries

• Seeking opportunities for career advancement and personal growth

I handle pressure by staying organized, prioritizing tasks, and taking breaks when needed.

• Stay organized by creating to-do lists and setting realistic deadlines

• Prioritize tasks based on urgency and importance

• Take breaks to recharge and maintain focus

• Practice deep breathing or mindfulness techniques to stay calm under pressure